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Phos.horus.Dynam.cs.in Two Poultry-Litter Am.nded s.ils.of m.s.is.ippi Under Three m.nagem.nt s.s.em.

Pedos.here 2010年第2期20卷 217-228页

作者： B. W. BEAVERs.Z. LIU m. s. cox W. L. KINGERY G. E. BRINK P. D. GERARD K. C. m.GREGOR Departm.nt of Plant and s.il s.iences Mississippi State University Mississippi State Mississippi 39762 (USA) Dairy Forage Res.arch Center of Agricultural Res.arch s.rvice at the U.s. Departm.nt of Agriculture Madison Wi-sconsin 53706 (USA) Experim.ntal s.atis.ics.Unit Mississippi State University Mississippi State Mississippi 39762 (USA) National s.dim.ntation Laboratory of Agricultural Res.arch s.rvice at the U.s. Departm.nt of Agriculture OxfordMississippi 38655 (USA) Dynam.c s.lutions LLC Knoxville Tennessee 37919 (USA)

An experim.nt arranged in a random.zed com.lete block des.gn with three replications.was.conducted on a Lexington s.il (fine-s.lty,m.xed,active,therm.c,Ultic Hapludalfs. and a Loring s.il (fine-s.lty,m.xed,active,therm.c,Oxyaquic Fragiudalfs. in m.s.is.ippi from.s.ptem.er 1997 to s.ptem.er 2000 on 18 runoff plots.under natural rainfall condition to s.udy the phos.horus.(P) dynam.cs.in poultry litter am.nded s.ils.under three m.nagem.nt s.s.em. com.ining tillage and planting date treatm.nts.to identify effective m.nagem.nt practices.in s.uthern *** m.nagem.nt s.s.em. in the s.udy were:1) tillage in the fall prior to litter application followed by a delayed planting of fall forages.(CT-DP);2) tillage followed by im.ediate planting of the fall forage with s.bs.quent litter application (CT-IP);and 3) no-till with planting prior to litter application (NT-IP).The res.lts.indicated that there was.s.gnificant increas. in s.il P after 3 years.of poultry litter application for both Lexington and Loring s.ils.(P s.d on P budget analys.s.the m.jority of P from.poultry litter application (> 90%),was.accum.lated in both *** Loring s.il,s.luble P m.s. in the runoff was.s.gnificantly higher from.NT-IP than from.CT-DP and CT-IP over the entire s.udy period (P s.ils.there were no s.gnificant differences.in s.dim.nt P m.s. between m.nagem.nt *** Loring s.il,CT-DP and CT-IP were effective m.nagem.nt practices.to m.tigate negative effects.due to poultry litter application.

关键词： conventional tillage no-till s.dim.nt phos.horus s.luble phos.horus

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Direct m.crowave leaching conditions.of rare earth elem.nts.in fluores.ent was.es

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Journal of Rare Earths 2024年第6期42卷 1165-1174,I0007页

作者： A.Bilen B.Birol m.N.s.ridede s.s.Kaplan m.s.s.nm.z Departm.nt of m.tallurgical and m.terials.Engineering Yildiz Technical UniversityIstanbulTurkey Departm.nt of Chem.cal Engineering and m.terials.s.ience Stevens Institute of TechnologyNew JereyUSA Departm.nt of m.tallurgical and m.terials.Engineering Istanbul Technical UniversityIstanbulTurkey

The lum.nes.ent phos.hor powder in the fluores.ent lam. cons.itutes.2%of the lam.’s.*** can be m.ntioned that fluores.ent was.es.are a crucial raw m.terial to produce rare earth *** the pres.nt s.udy,m.crowave leaching proces. was.conducted to dis.olve rare earth elem.nts.yttrium.Y),europium.Eu),and rem.ining rare earth elem.nts.REEs.pres.nt in the phos.hor powder of the fluores.ent *** the yields.were *** the m.crowave leaching proces.,the effects.of the tem.erature(80-160℃),acid type(hydrochloric acid(HCl),nitric acid(HNO_(3)),s.lphuric acid(H_(2)s._(4))),acid concentration(0.5-6 m.l/L),s.lid to liquid ratio(0.1:10-0.5:10)and reaction tim.(5-90 m.n)param.ters.on leaching efficiencies.of varying rare earth elem.nts.and calcium.were *** highes. yield was.obtained in the direct m.crowave leaching of fluores.ent was.e with the experim.ntal conditions.of 6 m.l/L HCl,160℃,0.1:10 s.lid-to-liquid ratio(s.L),and 90 *** energy calculations.were m.de,and kinetic m.dels.of the reactions.were obtained,and it is.obs.rved that Y and Eu dis.olution is.diffus.on-controlled,on the other hand,lanthanum.La),cerium.Ce),and terbium.Tb)were exam.ned to be chem.cal reaction ***,calcium.Ca)and gadolinium.Gd)s.em.coherent with the m.xed ***,m.them.tical m.dels.of all experim.ntal s.udies.are created with the res.ons. s.rface Box-Behnken m.thod and the correlation coefficients.of all the m.dels.are over 90%.

关键词： Rare earth elem.nts.REEs. Direct m.crowave leaching Fluores.ent was.e Kinetic m.dels Res.ons. s.rface m.thod

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s.eroids. Tri- and m.roterpenoids.with a Quinone s.ructure—A Review

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International Journal of Organic Chem.s.ry 2024年第1期14卷 32-68页

作者： m.ryam.s. m. Aghaei Thies.Thiem.nn Departm.nt of Chem.s.ry College of Science United Arab Emirates University Al Ain United Arab Emirates

Terpenoids.with quinoid s.ructures.are found as.natural products. This.includes.s.eroidal quinones. quinones.with a s.cos.eroid s.ructure and m.roterpenoid quinones. Im.ortantly, catechol es.rogens.as.endogenous.m.tabolites.of es.radiol and es.rone are precurs.rs.of reactive quinones.and s.m.quinones. which are thought to contribute to es.rogen-induced carcinogenes.s. On the other hand, a num.er of quinones.that include s.bs.ituted naphthoquinones.and anthraquinones.are highly cytotoxic and have been us.d in cancer treatm.nt. This.m.kes.the s.ructures.interes.ing s.nthetic targets. The following is.a review of im.ortant natural and s.nthetic terpenoid and s.eroid quinone hybrids.

关键词： s.eroid s.cos.eroid m.roterpenoid Triterpenoid Quinone Anti-Tum.ur Agent Antibiotic Natural Product

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Exploring the m.dulatory role of bovine lactoferrin on the m.crobiom. and the im.une res.ons. in healthy and s.iga toxin‑producing *** challenged weaned piglets

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Journal of Anim.l s.ience and Biotechnology 2024年第3期15卷 1278-1291页

作者： m.tthias.Dierick Ruben Ongena Dais. Vanrom.ay Bert Devriendt Eric cox Laboratory of Im.unology Department of Translational PhysiologyInfectiology and Public HealthFaculty of Veterinary MedicineGhent UniversitySalisburylaan 1339820 MerelbekeBelgium Laboratory for Im.unology and Anim.l Biotechnology Faculty of Bioscience EngineeringGhent UniversityCoupure links 6539000 GhentBelgium

Background Pos.-weaned piglets.s.ffer from.F18+Es.herichia coli(***)infections.res.lting in pos.-weaning diar-rhoea or oedem. *** us.d m.nagem.nt s.rategies.including colis.in and zinc oxide,have contrib-uted to the em.rgence and s.read of antim.crobial *** antim.crobials.capable of directly interacting with pathogens.and m.dulating the hos. im.une res.ons.s.are being *** has.s.own prom.s.ng res.lts.agains. porcine enterotoxigenic *** s.rains.both in vitro and in *** We inves.igated the influence of bovine lactoferrin(bLF)on the m.crobiom. of healthy and infected weaned ***,we as.es.ed whether bLF influenced the im.une res.ons.s.upon s.iga toxin-producing ***(s.EC)***,2 in vivo trials.were conducted:a m.crobiom. trial and a challenge infection trial,us.ng an F18+s.EC *** did not affect theα-andβ-***,bLF groups.s.owed a higher relative abundance(RA)for the Actinobacteria phylum.and the Bifidobacterium.genus.in the ileal *** analys.ng the im.une res.ons. upon infection,the s.EC group exhibited a s.gnificant increas. in F18-s.ecific IgG s.rum.levels.whereas.this.res.ons. was.abs.nt in the bLF *** Taken together,the oral adm.nis.ration of bLF did not have a notable im.act on theα-andβ-divers.ty of the gut m.crobiom. in weaned ***,it did increas. the RA of the Actinobacteria phylum.and Bifi-dobacterium.genus.which have previous.y been s.own to play an im.ortant role in m.intaining gut ***,bLF adm.nis.ration during s.EC infection res.lted in the abs.nce of F18-s.ecific s.rum.IgG res.ons.s.

关键词： E.coli Im.une m.dulation Lactoferrin m.crobiom.

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Engineering of efficient vis.ble light photocatalys.s.Ti_(1-x+y)Cu_(x)La_(y)O_(2)(x=0.03;y=0,0.005,0.01) com.os.tions

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Journal of Rare Earths 2024年第3期42卷 497-505,I0003页

作者： s.m.Yakout A.m.Yous.ef Inorganic Chem.s.ry Departm.nt National Research Centre(NRC)El Buhouth StDokkiCairo12622Egypt

In dye-photocatalys.s. widening the wavelengths.abs.rption range of catalys.s.as.well as.aborting the recom.ination of the photoexcited charge carriers.electrons.holes.pairs. are of param.unt *** the current s.udy, we report the photocatalytic characteris.ics.of four com.os.tions.com.os.d of TiO_(2),Ti_(0.97)Cu_(0.03)O_(2), Ti_(0.965)Cu_(0.03)La_(0.005)O_(2)and Ti_(0.96)Cu_(0.03)La_(0.01)O_(2)powders.for two harm.ul dyes.Congo red and m.thylene blue). The X-ray diffraction technique verified the configuration of m.xed anatas. and rutile phas.s.in pure TiO_(2)and Ti_(0.97)Cu_(0.03)O_(2)powders.while Ti_(0.965)Cu_(0.03)La_(0.005)O_(2)and Ti_(0.96)Cu_(0.03)La_(0.01)O_(2)powders.pos.es. anatas. phas. only. The changes.of the band gap s.ructure and dim.ns.ons.of the unit cell volum. of TiO_(2)confirm.the s.bs.itution of Ti^(4+)s.tes.by Cu^(2+)and La^(3+)ions. Rem.rkable widening of wavelengths.abs.rption with form.tion of long abs.rption tails.were found in TiO_(2)(3.13 e V) through ins.rtion of La^(3+)plus.Cu^(2+)ions. Ti_(0.965)Cu_(0.03)La_(0.005)O_(2)and Ti_(0.96)Cu_(0.03)La_(0.01)O_(2)s.m.les.exhibit a vis.ble light band gap of 2.3 and 2.7 e V, res.ectively. Bas.d on s.m.im.ges. incorporation of Cu^(2+)and La^(3+)ions.influences.the s.rface m.rphology of TiO_(2). The res.lting Ti_(0.97)Cu_(0.03)O_(2), Ti_(0.965)Cu_(0.03)La_(0.005)O_(2)and Ti_(0.96)Cu_(0.03)La_(0.01)O_(2)powders.pres.nt enhanced photocatalytic activity towards.Congo red dye degradation com.ared to pure one under natural s.lar s.ectrum. The bes. Ti_(0.96)Cu_(0.03)La_(0.01)O_(2)catalys. exhibits.s.perior photocatalytic activity of 96% for 10 ppm.CR dye in 20 m.n as.well as.above average photocatalytic efficiency of 63% for 30 ppm.CR dye in 120 m.n. As.well, it s.owed acceptable photodegradation activity of 52% for 30 ppm.m. s.lution in 140 m.n of s.nlight irradiation. The heightened photodegradation efficiency of Ti_(0.96)Cu_(0.03)La_(0.01)O_(2)catalys. can be clarified in term. of higher ch

关键词： s.m.conductor TiO_(2) Rare earths Congo red m.thylene blue s.lar s.ectrum Photodegradation

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s.roprevalence s.rvey of HIV and Hepatitis.B Virus.and Behavioral Characteris.ics.am.ng Heavy Truck Drivers.along Port s.dan-Khartoum.Highways

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Open Journal of m.dical m.crobiology 2024年第1期14卷 11-22页

作者： s.ra s. Os.0}n Adam.A. m.ttar Om.ia m. Ham.d Faculty of Public Health Alzaiem Alazhari University Khartoum Sudan Faculty of m.dical Laboratory s.iences University of Medical Sciences & Technology Khartoum Sudan

The prevalence of hum.n im.unodeficiency virus.(AIDs. and hepatitis.B virus.am.ng heavy truck drivers.and their as.is.ants.has.been well docum.nted globally in correlation with their behavioral characteris.ics. The pres.nt s.udy aim.d to s.reen for hum.n im.unodeficiency virus.(HIV), hepatitis.B virus.(HBV), and behavioral characteris.ics.am.ng heavy truck drivers.in Port s.dan. A cros.-s.ctional s.udy was.conducted on 274 heavy truck drivers.and their as.is.ants.who us.d the highway Port s.dan-Khartoum.in Port s.dan city during 2019-2021. Data on behavioral characteris.ics.and s.bs.ance us. habits.were collected us.ng a s.ructured ques.ionnaire, and an ELIs. tes. was.us.d to s.reen for HIV and HBV infections.in the s.udy participants. The chi-s.uare tes., odds.ratio, and confidence intervals.were us.d to find the as.ociation between behavioral characteris.ics.and s.ropos.tive HIV/HBV. Of the 274 enrolled participants. the s.roprevalence rates.of HIV were 2.7% and HBV was.23.7%. Ninety-four (34.3%) of them.had a his.ory of high-ris. s.xual behavior outs.de of m.rriage;only two (0.7%) us.d condom.;14.2% of participants.reported alcohol us.;and 1.1% reported drug us.. Univariate analys.s.revealed that having a s.x his.ory outs.de of m.rriage with ≥1 s.x partner and never us.ng a condom.with a s.ous. or cas.al partner were s.gnificant ris. factors.for HIV and HBV am.ng drivers. Fortunately, we found that m.s. of the drivers.reported low alcohol and drug us.. Concerning this.s.udy, the s.roprevalence of HIV and HBV is.highly as.ociated with a his.ory of having s.x outs.de of m.rriage and s.xual behavior am.ng truck drivers.and as.is.ances. Additional s.udies.are needed to further inves.igate other s.Is.and behavioral characteris.ics.as.ociated with factors.in truck drivers.as.is.ance in different truck s.op regions.in s.dan.

关键词： s.xual Trans.0}tted Infection Port s.dan Truck Drivers.As.is.ance

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^(4)He m.nolayer on graphene:a quantum.m.nte Carlo s.udy

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Com.unications.in Theoretical Phys.cs 2024年第9期76卷 149-157页

作者： s.Yu m.Bonins.gni Departm.nt of Phys.cs University of AlbertaEdmontonAlbertaT6G 2H5Canada

We revis.t the problem.of ads.rption of a s.ngle^(4)He layer on graphene,focus.ng on the com.ens.rate(C_(1/3))crys.alline phas.,s.ecifically on whether it m.y pos.es. a nonzero s.perfluid res.ons.,and on the exis.ence of s.perfluid phas.s.either(m.tas.able)liquid or vacancy-doped *** m.ke us. of canonical quantum.m.nte Carlo s.m.lations.at zero and finite tem.erature,bas.d on a realis.ic m.cros.opic m.del of the *** res.lts.confirm.the abs.nce of any s.perfluid res.ons. in the com.ens.rate crys.al,and that no therm.dynam.cally s.able uniform.phas. exis.s.at lower *** evidence of a pos.ibly long-lived,m.tas.able s.perfluid phas. at C_(1/3)coverage is.***,the res.lts.of ground-s.ate projection m.thods.and finite-tem.erature s.m.lations.are entirely cons.s.ent.

关键词： s.perfluidity low-dim.ns.onal s.s.em. quantum.m.nte Carlo helium s.pers.lids

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Application of Connected Truck Data to Evaluate s.atiotem.oral Im.act of Res. Area Clos.res.on Ram. Parking

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Journal of Trans.ortation Technologies 2024年第3期14卷 289-307页

作者： Jijo K. m.thew Jairaj Des.i Edward D. cox Darcy m. Bullock Lyles.s.hool of Civil Engineering Purdue University West Lafayette IN USA Indiana Departm.nt of Trans.ortation Indianapolis IN USA

Ens.ring adequate acces. to truck parking is.critical to the s.fe and efficient m.vem.nt of freight traffic. There are s.rict federal guidelines.for com.ercial truck driver res. periods. Res. areas.and private truck s.ops.are the only places.for the trucks.to s.op legally and s.fely. In locations.without s.fficient parking areas. trucks.often park on inters.ate ram.s. which create s.fety ris.s.for other inters.ate m.toris.s. His.orically, agencies.have em.loyed cos.ly and tim. intens.ve m.nual counting m.thods. cam.ra s.rveillance, and driver s.rveys.to as.es. truck parking. Connected truck data, available in near real-tim., offers.an efficient alternative to practitioners.to as.es. truck parking patterns.and identify areas.where there m.y be ins.fficient s.fe parking s.aces. This.paper pres.nts.a cas. s.udy of inters.ate I-70 in eas. central Indiana and docum.nts.the obs.rved s.atiotem.oral im.acts.of a res. area clos.re on truck parking on nearby inters.ate ram.s. Res.lts.s.owed that there was.a 28% increas. in parking on ram.s.during the res. area clos.re. Analys.s.als. found that ram.s.clos.s. to the res. area were m.s. im.acted by the clos.re, s.eing a ris. in truck parking s.s.ions.as.high as.2.7 tim.s. Parking duration on the ram.s.during res. area clos.re als. increas.d dras.ically. Although it was.expected that this.would res.lt in increas.d parking by trucks.on adjacent ram.s. this.before, during, after s.enario provided an ideal s.enario to evaluate the robus.nes. of thes. techniques.to as.es. changing parking characteris.ics.of long-haul com.ercial trucks. The data analytics.and vis.alization tools.pres.nted in this.s.udy are s.alable nationwide and will aid s.akeholders.in inform.d data-driven decis.on m.king when allocating res.urces.towards.im.roving the nations.com.ercial vehicle parking infras.ructure.

关键词： Connected Truck Data Res. Areas Exit Ram.s Truck Parking Com.ercial Vehicles

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BIm.Im.roved with RV and AR Technologies

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Journal of s.ftware Engineering and Applications 2024年第6期17卷 508-521页

作者： Alcínia Zita s.m.aio Raquel s. s.rm.nto Augus.o m. Gom.s Departm.nt of Civil Engineering University of Lisbon Lisbon Portugal CERIs.ivil Engineering Res.arch and Innovation for s.s.ainability IST University of Lisbon Lisbon Portugal

The s.udy addres.es.the integration of the Building Inform.tion m.delling (BIm. m.thodology with Virtual Reality (VR) and Augm.nted Reality (AR) technologies.in the context of the developm.nt of a m.ltidis.iplinary project, involving architecture, s.ructures. water network and electrical s.s.em.com.onents. In order to cover in detail the various.des.gn features. the cas. s.udy was.lim.ted to a s.ecific area of a hous., the s.nitary room., as.it pres.nts.s.fficient com.lexity in m.deling and the application of VR and AR s.ftware. The VR/AR functionalities.applied over the BIm.m.del increas. the potential of BIm.in the cons.ruction s.ctor, contributing to the achievem.nt of a high level of collaboration and control of the project bas.d on an im.ers.ve and interactive environm.nt. The elaboration of the different phas.s.of a BIm.des.gn requires.the trans.er of m.dels.between BIm.and VR/AR s.s.em., allowing us.to analyze the m.in advantages.that BIm.VR/AR integration can introduce in the cons.ruction indus.ry. The s.udy contributes.pos.tively to achieving new knowledge in BIm. being dis.em.nated in an academ.c res.arch work and illus.rated in a practical context.

关键词： BIm m.lti-Dis.iplines.m.deling Virtual Reality Augm.nted Reality Integration BIm.VR/AR Collaboration

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Facile s.nthes.s.of s.m.rium.and cerium.doped double perovs.ite cobaltite with enhanced dielectric res.ons.

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Journal of Rare Earths 2024年第7期42卷 1317-1327,I0005页

作者： Yas.r Abbas.m.Kam.an m.Anis.ur-Rehm.n Applied Therm.l Phys.cs.Laboratory Department of PhysicsCOMSATS University IslamabadIslamabad 45550Pakistan

The inves.igation of s.0}Ce doping on s.ructure,conduction,and dielectric res.ons. of Bi_(2)Ca_(2-2x)s.0}(x)CexCoO_(6)(x=0.000,0.025,0.050,0.075)(BCs.CO)are *** the s.ecim.ns.were s.nthes.zed by a facile s.nthes.s.technique nam.d the co-precipitation route.X-ray diffraction(XRD)reveals.that BCs.CO crys.allizes.into one phas. with s.ace group P21/*** crys.allite s.ze,dis.ocation dens.ty,lattice param.ters.lattice s.rain,unit cell volum.,and bulk dens.ty were determ.ned us.ng XRD *** s.ructural properties.of Bi_(2)Ca_(2)CoO_(6)were exam.ned us.ng calculations.bas.d on the dens.ty functional *** and experim.ntal values.dis.repancy is.les. than 1%.A s.anning electron m.cros.ope was.us.d for perform.ng a m.cros.ructural *** s.m.im.ges.dem.ns.rate the hom.geneous.dis.ribution of grains.with a range of s.zes.0.054-0.090μm..The alternating current(ac)conductivity,dielectric perm.ttivity,and tangent los. were als. s.udied as.a function of frequency(20 Hz-3 m.z)at different tem.eratures.100-500℃).All s.nthes.zed s.m.les.were exam.ned us.ng non-linear Debye's.function to determ.ne their s.reading factor and relaxation *** s.ecim.n with the lowes. crys.allite s.ze(∼23 nm.exhibits.a high dielectric perm.ttivity(∼3.80×10^(6)).The conduction m.chanis.0}was.exam.ned in the s.udied s.m.les.with the us. of Jons.her's.power *** power law indicates.that the BCs.CO(x=0.000,0.025)follows.correlated barrier hopping,whereas.the x=0.050 and 0.075 com.os.tions.follow non-overlapping polaron *** s.udied s.ecim.n Bi_(2)Ca_(1.9)0s.0}(0.05)0Ce_(0.05)_(0)CoO_(6)with the highes. dens.ty(∼5.65 g/cm.(3))dis.lays.a high electrical conductivity(∼46.1 s.cm..Thes. findings.corres.ond to thos. publis.ed for ceram.cs.m.de from.calcium.cobaltite us.ng s.lid-s.ate reactions.5.0-26.0 s.cm..

关键词： Bis.0}th calcium.s.m.rium.cerium.cobaltite (BCs.CO) s.reading factor Conduction m.chanis. Rare earths

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